Turboprop engine-upgrade company Blackhawk Modifications this week announced progress toward a supplemental type certificate (STC) that will boost performance in the workhorse Beechcraft King Air 350.
Beechcraft King Air 350 Engine Upgrade STC on the Way
Key Takeaways:
- Blackhawk Modifications is progressing towards an STC for an engine upgrade on the Beechcraft King Air 350.
- The upgrade replaces the original 1,050 shp engines with high-performance 1,200 shp PT6A-67A engines and includes a five-blade propeller.
- Operators can expect a significant increase in cruise speed (up to 340 ktas), extended range, and improved climb performance, especially in hot temperatures.
- Flight testing is set for November, with FAA supplemental type certificate (STC) approval for the initial King Air 350 variant anticipated by May.
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